Finding the Fourth Proportional to 1,169.43, 1,613.74 and 672.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,169.43 : 1,613.74 = 672.03 : x
2. Step 2: Convert to fraction form
   1,169.43/1,613.74 = 672.03/x
3. Step 3: Cross multiply
   1,169.43x = 1,613.74 × 672.03
4. Step 4: Simplify right side
   1,169.43x = 1,084,481.69
5. Step 5: Solve for x
   x = 1,084,481.69/1,169.43
6. Step 6: Final answer
   x = 927.36